4-(4-Methylpiperazin-1-yl)aniline → 2-[4-(4-Methyl-piperazin-1-yl)-phenylamino]-5-oxo-8-phenyl-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carbonitrile

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Reaction Steps

Using the procedure outlined in Example 1(G) the title compound was prepared from 4-(4-methyl-piperazin-1-yl)-phenylamine (32 mg, 0.16 mmol) and 2-methanesulfonyl-5-oxo-8-phenyl-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carbonitrile (Example 13 (D) above, 50 mg, 0.15 mmol). The product was obtained as a yellow solid (17.1 mg). 1H NMR (300 MHz, CDCl3) δ (ppm): 9.34 (s, 1H), 8.55 (br, 1H), 7.61 (m, 3H), 7.41 (d, 2H), 7.24 (m, 2H), 6.55 (d, 2H), 3.00 (m, 4H), 2.55 (m, 4H), 2.35 (s, 3H). Mass Spectrum (LCMS, ESI pos.) Calcd. For C25H23N7O: 438.20 (M+H), Found: 438.5.

Provenance & Evidence